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3dd14e20 | 1 | /************************************************************************** |
d328bad2 | 2 | * This file is property of and copyright by the ALICE HLT Project * |
bef07620 | 3 | * All rights reserved. * |
3dd14e20 | 4 | * * |
bef07620 | 5 | * Primary Authors: * |
6 | * Artur Szostak <artursz@iafrica.com> * | |
3dd14e20 | 7 | * * |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
d328bad2 | 13 | * about the suitability of this software for any purpose. It is * |
3dd14e20 | 14 | * provided "as is" without express or implied warranty. * |
15 | **************************************************************************/ | |
16 | ||
17 | /* $Id$ */ | |
18 | ||
6253e09b | 19 | /// |
20 | /// @file AliHLTMUONRecHitsSource.cxx | |
21 | /// @author Artur Szostak <artursz@iafrica.com> | |
22 | /// @date | |
23 | /// @brief Implementation of the AliHLTMUONRecHitsSource component. | |
24 | /// | |
3dd14e20 | 25 | |
26 | #include "AliHLTMUONRecHitsSource.h" | |
27 | #include "AliHLTMUONConstants.h" | |
bef07620 | 28 | #include "AliHLTMUONUtils.h" |
3dd14e20 | 29 | #include "AliHLTMUONDataBlockWriter.h" |
8d33d1c2 | 30 | #include "AliMUONMCDataInterface.h" |
31 | #include "AliMUONDataInterface.h" | |
3dd14e20 | 32 | #include "AliMUONHit.h" |
8c58b039 | 33 | #include "AliMUONVCluster.h" |
3dd14e20 | 34 | #include "AliMUONConstants.h" |
8d33d1c2 | 35 | #include "AliMUONVClusterStore.h" |
36 | #include "AliMUONVHitStore.h" | |
bef07620 | 37 | #include "mapping/AliMpCDB.h" |
38 | #include "mapping/AliMpDEManager.h" | |
39 | #include "mapping/AliMpDetElement.h" | |
3dd14e20 | 40 | #include <cstdlib> |
41 | #include <cstdio> | |
42 | #include <cerrno> | |
43 | #include <cassert> | |
44 | #include <new> | |
45 | ||
3dd14e20 | 46 | ClassImp(AliHLTMUONRecHitsSource); |
47 | ||
48 | ||
49 | AliHLTMUONRecHitsSource::AliHLTMUONRecHitsSource() : | |
50 | AliHLTOfflineDataSource(), | |
c06fe66f | 51 | fMCDataInterface(NULL), |
52 | fDataInterface(NULL), | |
53 | fSelection(kWholePlane), | |
6253e09b | 54 | fCurrentEventIndex(0) |
3dd14e20 | 55 | { |
6253e09b | 56 | /// |
57 | /// Default constructor. | |
58 | /// | |
59 | ||
5df25c2a | 60 | for (Int_t i = 0; i < AliMUONConstants::NTrackingCh(); i++) |
61 | fServeChamber[i] = false; | |
3dd14e20 | 62 | } |
63 | ||
5df25c2a | 64 | |
3dd14e20 | 65 | AliHLTMUONRecHitsSource::~AliHLTMUONRecHitsSource() |
66 | { | |
6253e09b | 67 | /// |
68 | /// Default destructor. | |
69 | /// | |
70 | ||
2ee47a65 | 71 | if (fMCDataInterface != NULL) delete fMCDataInterface; |
72 | if (fDataInterface != NULL) delete fDataInterface; | |
3dd14e20 | 73 | } |
74 | ||
75 | ||
76 | int AliHLTMUONRecHitsSource::DoInit(int argc, const char** argv) | |
77 | { | |
6253e09b | 78 | /// |
79 | /// Inherited from AliHLTComponent. | |
80 | /// Parses the command line parameters and initialises the component. | |
81 | /// | |
2ee47a65 | 82 | |
83 | HLTInfo("Initialising dHLT reconstructed hit source component."); | |
6253e09b | 84 | |
2ee47a65 | 85 | if (fMCDataInterface != NULL) |
86 | { | |
87 | delete fMCDataInterface; | |
88 | fMCDataInterface = NULL; | |
89 | } | |
90 | if (fDataInterface != NULL) | |
91 | { | |
92 | delete fDataInterface; | |
93 | fDataInterface = NULL; | |
94 | } | |
bef07620 | 95 | |
3dd14e20 | 96 | // Parse the command line arguments: |
97 | bool simdata = false; | |
98 | bool recdata = false; | |
5df25c2a | 99 | bool chamberWasSet = false; |
6253e09b | 100 | fCurrentEventIndex = 0; |
c06fe66f | 101 | bool firstEventSet = false; |
102 | bool eventNumLitSet = false; | |
5df25c2a | 103 | |
104 | for (int i = 0; i < argc; i++) | |
3dd14e20 | 105 | { |
5df25c2a | 106 | if (strcmp(argv[i], "-simdata") == 0) |
107 | { | |
3dd14e20 | 108 | simdata = true; |
5df25c2a | 109 | } |
110 | else if (strcmp(argv[i], "-recdata") == 0) | |
111 | { | |
3dd14e20 | 112 | recdata = true; |
5df25c2a | 113 | } |
114 | else if (strcmp(argv[i], "-plane") == 0) | |
115 | { | |
116 | i++; | |
117 | if (i >= argc) | |
118 | { | |
119 | Logging(kHLTLogError, | |
120 | "AliHLTMUONRecHitsSource::DoInit", | |
121 | "Missing parameter", | |
122 | "Expected one of 'left', 'right' or 'all' after '-plane'." | |
123 | ); | |
d328bad2 | 124 | return -EINVAL; |
5df25c2a | 125 | } |
126 | if (strcmp(argv[i], "left") == 0) | |
127 | fSelection = kLeftPlane; | |
128 | else if (strcmp(argv[i], "right") == 0) | |
129 | fSelection = kRightPlane; | |
130 | else if (strcmp(argv[i], "all") == 0) | |
131 | fSelection = kWholePlane; | |
132 | else | |
133 | { | |
134 | Logging(kHLTLogError, | |
135 | "AliHLTMUONRecHitsSource::DoInit", | |
136 | "Invalid parameter", | |
137 | "The parameter '%s' is invalid and must be one of 'left'," | |
138 | " 'right' or 'all'.", | |
139 | argv[i] | |
140 | ); | |
d328bad2 | 141 | return -EINVAL; |
5df25c2a | 142 | } |
143 | } | |
144 | else if (strcmp(argv[i], "-chamber") == 0) | |
145 | { | |
146 | i++; | |
147 | if (i >= argc) | |
148 | { | |
149 | Logging(kHLTLogError, | |
150 | "AliHLTMUONRecHitsSource::DoInit", | |
151 | "Missing parameter", | |
152 | "Expected a chamber number, range eg. '1-10' or list eg." | |
153 | " '1,2,3' after '-chamber'." | |
154 | ); | |
d328bad2 | 155 | return -EINVAL; |
5df25c2a | 156 | } |
157 | int result = ParseChamberString(argv[i]); | |
158 | if (result != 0) return result; | |
159 | chamberWasSet = true; | |
160 | } | |
c06fe66f | 161 | else if (strcmp(argv[i], "-firstevent") == 0) |
162 | { | |
163 | if (eventNumLitSet) | |
164 | { | |
165 | HLTWarning("The -firstevent flag is overridden by a" | |
166 | " previous use of -event_number_literal." | |
167 | ); | |
168 | } | |
169 | i++; | |
170 | if (i >= argc) | |
171 | { | |
172 | HLTError("Expected a positive number after -firstevent."); | |
d328bad2 | 173 | return -EINVAL; |
c06fe66f | 174 | } |
175 | char* end = ""; | |
176 | long num = strtol(argv[i], &end, 0); | |
177 | if (*end != '\0' or num < 0) // Check if the conversion is OK. | |
178 | { | |
d328bad2 | 179 | HLTError( |
c06fe66f | 180 | "Expected a positive number after -firstevent" |
181 | " but got: %s", argv[i] | |
d328bad2 | 182 | ); |
183 | return -EINVAL; | |
c06fe66f | 184 | } |
6253e09b | 185 | fCurrentEventIndex = Int_t(num); |
c06fe66f | 186 | firstEventSet = true; |
187 | } | |
188 | else if (strcmp(argv[i], "-event_number_literal") == 0) | |
189 | { | |
190 | if (firstEventSet) | |
191 | { | |
192 | HLTWarning("The -event_number_literal option will" | |
193 | " override -firstevent." | |
194 | ); | |
195 | } | |
6253e09b | 196 | fCurrentEventIndex = -1; |
c06fe66f | 197 | eventNumLitSet = true; |
198 | } | |
3dd14e20 | 199 | else |
200 | { | |
201 | Logging(kHLTLogError, | |
202 | "AliHLTMUONRecHitsSource::DoInit", | |
203 | "Unknown argument", | |
204 | "The argument '%s' is invalid.", | |
205 | argv[i] | |
206 | ); | |
d328bad2 | 207 | return -EINVAL; |
3dd14e20 | 208 | } |
209 | } | |
210 | ||
211 | // Check the parameters we have parsed. | |
212 | if (simdata and recdata) | |
213 | { | |
214 | Logging(kHLTLogError, | |
215 | "AliHLTMUONRecHitsSource::DoInit", | |
216 | "Invalid arguments", | |
217 | "Cannot have both -simdata and -recdata set." | |
218 | ); | |
d328bad2 | 219 | return -EINVAL; |
3dd14e20 | 220 | } |
221 | ||
222 | if (not simdata and not recdata) | |
223 | { | |
224 | Logging(kHLTLogError, | |
225 | "AliHLTMUONRecHitsSource::DoInit", | |
226 | "Missing arguments", | |
227 | "Must have either -simdata or -recdata specified." | |
228 | ); | |
d328bad2 | 229 | return -EINVAL; |
3dd14e20 | 230 | } |
231 | ||
5df25c2a | 232 | if (not chamberWasSet) |
233 | { | |
234 | Logging(kHLTLogInfo, | |
235 | "AliHLTMUONRecHitsSource::DoInit", | |
236 | "Setting Parameters", | |
237 | "No chambers were selected so we will publish for all chambers." | |
238 | ); | |
239 | for (Int_t i = 0; i < AliMUONConstants::NTrackingCh(); i++) | |
240 | fServeChamber[i] = true; | |
241 | } | |
242 | ||
bef07620 | 243 | // Must load the mapping data for AliMpDetElement::GetDdlId() |
244 | // to return useful information later on. | |
245 | AliMpCDB::LoadDDLStore(); | |
246 | ||
3dd14e20 | 247 | // Now we can initialise the data interface objects and loaders. |
248 | if (simdata) | |
249 | { | |
5df25c2a | 250 | Logging(kHLTLogDebug, |
251 | "AliHLTMUONRecHitsSource::DoInit", | |
252 | "Data interface", | |
bef07620 | 253 | "Loading simulated GEANT hits with AliMUONMCDataInterface." |
5df25c2a | 254 | ); |
bef07620 | 255 | |
3dd14e20 | 256 | try |
257 | { | |
8d33d1c2 | 258 | fMCDataInterface = new AliMUONMCDataInterface("galice.root"); |
3dd14e20 | 259 | } |
260 | catch (const std::bad_alloc&) | |
261 | { | |
262 | Logging(kHLTLogError, | |
263 | "AliHLTMUONRecHitsSource::DoInit", | |
264 | "Out of memory", | |
8d33d1c2 | 265 | "Not enough memory to allocate AliMUONMCDataInterface." |
3dd14e20 | 266 | ); |
d328bad2 | 267 | return -ENOMEM; |
3dd14e20 | 268 | } |
3dd14e20 | 269 | } |
270 | else if (recdata) | |
271 | { | |
5df25c2a | 272 | Logging(kHLTLogDebug, |
273 | "AliHLTMUONRecHitsSource::DoInit", | |
274 | "Data interface", | |
bef07620 | 275 | "Loading reconstructed clusters with AliMUONDataInterface." |
5df25c2a | 276 | ); |
277 | ||
3dd14e20 | 278 | try |
279 | { | |
8d33d1c2 | 280 | fDataInterface = new AliMUONDataInterface("galice.root"); |
3dd14e20 | 281 | } |
282 | catch (const std::bad_alloc&) | |
283 | { | |
284 | Logging(kHLTLogError, | |
285 | "AliHLTMUONRecHitsSource::DoInit", | |
286 | "Out of memory", | |
8d33d1c2 | 287 | "Not enough memory to allocate AliMUONDataInterface." |
3dd14e20 | 288 | ); |
d328bad2 | 289 | return -ENOMEM; |
3dd14e20 | 290 | } |
3dd14e20 | 291 | } |
292 | ||
6253e09b | 293 | // Check that the fCurrentEventIndex number falls within the correct range. |
c06fe66f | 294 | UInt_t maxevent = 0; |
295 | if (fMCDataInterface != NULL) | |
296 | maxevent = UInt_t(fMCDataInterface->NumberOfEvents()); | |
297 | else if (fDataInterface != NULL) | |
298 | maxevent = UInt_t(fDataInterface->NumberOfEvents()); | |
6253e09b | 299 | if (fCurrentEventIndex != -1 and UInt_t(fCurrentEventIndex) >= maxevent and maxevent != 0) |
c06fe66f | 300 | { |
6253e09b | 301 | fCurrentEventIndex = 0; |
c06fe66f | 302 | HLTWarning(Form("The selected first event number (%d) was larger than" |
303 | " the available number of events (%d). Resetting the event" | |
6253e09b | 304 | " counter to zero.", fCurrentEventIndex, maxevent |
c06fe66f | 305 | )); |
306 | } | |
307 | ||
3dd14e20 | 308 | return 0; |
309 | } | |
310 | ||
311 | ||
312 | int AliHLTMUONRecHitsSource::DoDeinit() | |
313 | { | |
6253e09b | 314 | /// |
315 | /// Inherited from AliHLTComponent. Performs a cleanup of the component. | |
316 | /// | |
317 | ||
2ee47a65 | 318 | HLTInfo("Deinitialising dHLT reconstructed hit source component."); |
319 | ||
bef07620 | 320 | if (fMCDataInterface != NULL) |
321 | { | |
322 | delete fMCDataInterface; | |
323 | fMCDataInterface = NULL; | |
324 | } | |
325 | if (fDataInterface != NULL) | |
326 | { | |
327 | delete fDataInterface; | |
328 | fDataInterface = NULL; | |
329 | } | |
3dd14e20 | 330 | return 0; |
331 | } | |
332 | ||
333 | ||
334 | const char* AliHLTMUONRecHitsSource::GetComponentID() | |
335 | { | |
6253e09b | 336 | /// |
337 | /// Inherited from AliHLTComponent. Returns the component ID. | |
338 | /// | |
339 | ||
3dd14e20 | 340 | return AliHLTMUONConstants::RecHitsSourceId(); |
341 | } | |
342 | ||
5df25c2a | 343 | |
3dd14e20 | 344 | AliHLTComponentDataType AliHLTMUONRecHitsSource::GetOutputDataType() |
345 | { | |
6253e09b | 346 | /// |
347 | /// Inherited from AliHLTComponent. Returns the output data type. | |
348 | /// | |
349 | ||
3dd14e20 | 350 | return AliHLTMUONConstants::RecHitsBlockDataType(); |
351 | } | |
352 | ||
5df25c2a | 353 | |
3dd14e20 | 354 | void AliHLTMUONRecHitsSource::GetOutputDataSize( |
355 | unsigned long& constBase, double& inputMultiplier | |
356 | ) | |
357 | { | |
6253e09b | 358 | /// |
359 | /// Inherited from AliHLTComponent. Returns an estimate of the expected output data size. | |
360 | /// | |
361 | ||
bef07620 | 362 | constBase = sizeof(AliHLTMUONRecHitsBlockStruct) |
363 | + 256*16*sizeof(AliHLTMUONRecHitStruct); | |
5df25c2a | 364 | inputMultiplier = 0; |
3dd14e20 | 365 | } |
366 | ||
5df25c2a | 367 | |
3dd14e20 | 368 | AliHLTComponent* AliHLTMUONRecHitsSource::Spawn() |
369 | { | |
6253e09b | 370 | /// |
371 | /// Inherited from AliHLTComponent. Creates a new object instance. | |
372 | /// | |
373 | ||
3dd14e20 | 374 | return new AliHLTMUONRecHitsSource(); |
375 | } | |
376 | ||
377 | ||
378 | int AliHLTMUONRecHitsSource::GetEvent( | |
379 | const AliHLTComponentEventData& evtData, | |
8d33d1c2 | 380 | AliHLTComponentTriggerData& /*trigData*/, |
3dd14e20 | 381 | AliHLTUInt8_t* outputPtr, |
382 | AliHLTUInt32_t& size, | |
ffb64d3e | 383 | AliHLTComponentBlockDataList& outputBlocks |
3dd14e20 | 384 | ) |
385 | { | |
6253e09b | 386 | /// |
387 | /// Inherited from AliHLTOfflineDataSource. Creates new event data blocks. | |
388 | /// | |
389 | ||
8d33d1c2 | 390 | assert( fMCDataInterface != NULL or fDataInterface != NULL ); |
594c94c2 | 391 | |
392 | if (not IsDataEvent()) return 0; // ignore non data events. | |
3dd14e20 | 393 | |
394 | // Check the size of the event descriptor structure. | |
395 | if (evtData.fStructSize < sizeof(AliHLTComponentEventData)) | |
396 | { | |
397 | Logging(kHLTLogError, | |
398 | "AliHLTMUONRecHitsSource::GetEvent", | |
399 | "Invalid event descriptor", | |
400 | "The event descriptor (AliHLTComponentEventData) size is" | |
401 | " smaller than expected. It claims to be %d bytes, but" | |
402 | " we expect it to be %d bytes.", | |
403 | evtData.fStructSize, | |
404 | sizeof(AliHLTComponentEventData) | |
405 | ); | |
406 | size = 0; // Important to tell framework that nothing was generated. | |
d328bad2 | 407 | return -EINVAL; |
3dd14e20 | 408 | } |
409 | ||
6253e09b | 410 | // Use the fEventID as the event number to load if fCurrentEventIndex == -1, |
c06fe66f | 411 | // check it and load that event with the runloader. |
2ee47a65 | 412 | // If fCurrentEventIndex is a positive number then use it instead and |
c06fe66f | 413 | // increment it. |
5df25c2a | 414 | UInt_t eventnumber = UInt_t(evtData.fEventID); |
2ee47a65 | 415 | UInt_t maxevent = 0; |
416 | if (fMCDataInterface != NULL) | |
417 | maxevent = UInt_t(fMCDataInterface->NumberOfEvents()); | |
418 | else if (fDataInterface != NULL) | |
419 | maxevent = UInt_t(fDataInterface->NumberOfEvents()); | |
6253e09b | 420 | if (fCurrentEventIndex != -1) |
c06fe66f | 421 | { |
6253e09b | 422 | eventnumber = UInt_t(fCurrentEventIndex); |
423 | fCurrentEventIndex++; | |
424 | if (UInt_t(fCurrentEventIndex) >= maxevent) | |
425 | fCurrentEventIndex = 0; | |
c06fe66f | 426 | } |
8d33d1c2 | 427 | if ( eventnumber >= maxevent ) |
3dd14e20 | 428 | { |
429 | Logging(kHLTLogError, | |
430 | "AliHLTMUONRecHitsSource::GetEvent", | |
431 | "Bad event ID", | |
432 | "The event number (%d) is larger than the available number" | |
433 | " of events on file (%d).", | |
434 | eventnumber, | |
bef07620 | 435 | maxevent |
436 | ); | |
3dd14e20 | 437 | size = 0; // Important to tell framework that nothing was generated. |
d328bad2 | 438 | return -EINVAL; |
3dd14e20 | 439 | } |
3dd14e20 | 440 | |
441 | // Create and initialise a new data block. | |
442 | AliHLTMUONRecHitsBlockWriter block(outputPtr, size); | |
443 | if (not block.InitCommonHeader()) | |
444 | { | |
445 | Logging(kHLTLogError, | |
446 | "AliHLTMUONRecHitsSource::GetEvent", | |
447 | "Buffer too small", | |
448 | "There is not enough buffer space to create a new data block." | |
449 | " We require at least %d bytes but the buffer is only %d bytes.", | |
450 | sizeof(AliHLTMUONRecHitsBlockWriter::HeaderType), | |
451 | block.BufferSize() | |
452 | ); | |
453 | size = 0; // Important to tell framework that nothing was generated. | |
d328bad2 | 454 | return -ENOBUFS; |
3dd14e20 | 455 | } |
456 | ||
bef07620 | 457 | // Initialise the DDL list containing the DDLs which contributed to the |
458 | // data block. These are required to create the specification word later. | |
459 | bool ddlList[22]; | |
460 | for (Int_t i = 0; i < 22; i++) | |
461 | ddlList[i] = false; | |
462 | ||
8d33d1c2 | 463 | if (fMCDataInterface != NULL) |
3dd14e20 | 464 | { |
5df25c2a | 465 | Logging(kHLTLogDebug, |
466 | "AliHLTMUONRecHitsSource::GetEvent", | |
467 | "Filling hits", | |
468 | "Filling data block with GEANT hits for event %d.", | |
469 | eventnumber | |
470 | ); | |
471 | ||
3dd14e20 | 472 | // Loop over all tracks, extract the hits and write them to the |
473 | // data block. | |
bef07620 | 474 | Int_t ntracks = fMCDataInterface->NumberOfTracks(eventnumber); |
8d33d1c2 | 475 | for (Int_t i = 0; i < ntracks; ++i) |
3dd14e20 | 476 | { |
bef07620 | 477 | AliMUONVHitStore* hitStore = fMCDataInterface->HitStore(eventnumber,i); |
478 | AliMUONHit* hit; | |
479 | TIter next(hitStore->CreateIterator()); | |
480 | while ( ( hit = static_cast<AliMUONHit*>(next()) ) ) | |
481 | { | |
5df25c2a | 482 | // Select only hits on selected chambers. |
483 | Int_t chamber = hit->Chamber() - 1; | |
484 | if (chamber > AliMUONConstants::NTrackingCh()) continue; | |
485 | if (not fServeChamber[chamber]) continue; | |
486 | ||
487 | // Only select hits from the given part of the plane | |
488 | if (fSelection == kLeftPlane and not (hit->Xref() < 0)) continue; | |
489 | if (fSelection == kRightPlane and not (hit->Xref() >= 0)) continue; | |
3dd14e20 | 490 | |
491 | AliHLTMUONRecHitStruct* rechit = block.AddEntry(); | |
492 | if (rechit == NULL) | |
493 | { | |
494 | Logging(kHLTLogError, | |
495 | "AliHLTMUONRecHitsSource::GetEvent", | |
496 | "Buffer overflow", | |
497 | "There is not enough buffer space to add more hits." | |
498 | " We overflowed the buffer which is only %d bytes.", | |
499 | block.BufferSize() | |
500 | ); | |
3dd14e20 | 501 | size = 0; // Important to tell framework that nothing was generated. |
d328bad2 | 502 | return -ENOBUFS; |
3dd14e20 | 503 | } |
504 | ||
505 | rechit->fX = hit->Xref(); | |
506 | rechit->fY = hit->Yref(); | |
507 | rechit->fZ = hit->Zref(); | |
bef07620 | 508 | |
509 | // Workout which DDL this hit will be readout of. | |
510 | AliMpDetElement* de = AliMpDEManager::GetDetElement(hit->DetElemId()); | |
511 | if (de != NULL and (0 <= de->GetDdlId() and de->GetDdlId() < 22)) | |
512 | ddlList[de->GetDdlId()] = true; | |
513 | else | |
514 | Logging(kHLTLogError, | |
515 | "AliHLTMUONRecHitsSource::GetEvent", | |
516 | "No DDL ID", | |
517 | "Could not find the DDL ID from which readout would take place." | |
518 | ); | |
3dd14e20 | 519 | } |
3dd14e20 | 520 | } |
521 | } | |
8d33d1c2 | 522 | else if (fDataInterface != NULL) |
3dd14e20 | 523 | { |
5df25c2a | 524 | Logging(kHLTLogDebug, |
525 | "AliHLTMUONRecHitsSource::GetEvent", | |
526 | "Filling hits", | |
527 | "Filling data block with reconstructed raw clusters for event %d.", | |
528 | eventnumber | |
529 | ); | |
530 | ||
8d33d1c2 | 531 | AliMUONVClusterStore* clusterStore = fDataInterface->ClusterStore(eventnumber); |
532 | ||
5df25c2a | 533 | // Loop over selected chambers and extract the raw clusters. |
8d33d1c2 | 534 | for (Int_t chamber = 0; chamber < AliMUONConstants::NTrackingCh(); chamber++) |
3dd14e20 | 535 | { |
5df25c2a | 536 | // Select only hits on selected chambers. |
537 | if (not fServeChamber[chamber]) continue; | |
3dd14e20 | 538 | |
bef07620 | 539 | TIter next(clusterStore->CreateChamberIterator(chamber,chamber)); |
8c58b039 | 540 | AliMUONVCluster* cluster; |
541 | while ( ( cluster = static_cast<AliMUONVCluster*>(next()) ) ) | |
bef07620 | 542 | { |
5df25c2a | 543 | // Only select hits from the given part of the plane |
544 | if (fSelection == kLeftPlane and not (cluster->GetX() < 0)) continue; | |
545 | if (fSelection == kRightPlane and not (cluster->GetX() >= 0)) continue; | |
3dd14e20 | 546 | |
5df25c2a | 547 | AliHLTMUONRecHitStruct* rechit = block.AddEntry(); |
548 | if (rechit == NULL) | |
549 | { | |
550 | Logging(kHLTLogError, | |
551 | "AliHLTMUONRecHitsSource::GetEvent", | |
552 | "Buffer overflow", | |
553 | "There is not enough buffer space to add more hits." | |
554 | " We overflowed the buffer which is only %d bytes.", | |
555 | block.BufferSize() | |
556 | ); | |
5df25c2a | 557 | size = 0; // Important to tell framework that nothing was generated. |
d328bad2 | 558 | return -ENOBUFS; |
5df25c2a | 559 | } |
560 | ||
561 | rechit->fX = cluster->GetX(); | |
562 | rechit->fY = cluster->GetY(); | |
563 | rechit->fZ = cluster->GetZ(); | |
bef07620 | 564 | |
565 | // Workout which DDL this hit will be readout of. | |
8c58b039 | 566 | AliMpDetElement* de = AliMpDEManager::GetDetElement(cluster->GetDetElemId()); |
bef07620 | 567 | if (de != NULL and (0 <= de->GetDdlId() and de->GetDdlId() < 22)) |
568 | ddlList[de->GetDdlId()] = true; | |
569 | else | |
570 | Logging(kHLTLogError, | |
571 | "AliHLTMUONRecHitsSource::GetEvent", | |
572 | "No DDL ID", | |
573 | "Could not find the DDL ID from which readout would take place." | |
574 | ); | |
5df25c2a | 575 | } |
3dd14e20 | 576 | } |
3dd14e20 | 577 | } |
578 | else | |
579 | { | |
580 | Logging(kHLTLogError, | |
581 | "AliHLTMUONRecHitsSource::GetEvent", | |
582 | "Missing data interface", | |
bef07620 | 583 | "Neither AliMUONDataInterface nor AliMUONMCDataInterface were created." |
3dd14e20 | 584 | ); |
585 | size = 0; // Important to tell framework that nothing was generated. | |
d328bad2 | 586 | return -EFAULT; |
3dd14e20 | 587 | } |
5df25c2a | 588 | |
589 | AliHLTComponentBlockData bd; | |
590 | FillBlockData(bd); | |
591 | bd.fPtr = outputPtr; | |
592 | bd.fOffset = 0; | |
593 | bd.fSize = block.BytesUsed(); | |
594 | bd.fDataType = AliHLTMUONConstants::RecHitsBlockDataType(); | |
bef07620 | 595 | bd.fSpecification = AliHLTMUONUtils::PackSpecBits(ddlList); |
5df25c2a | 596 | outputBlocks.push_back(bd); |
597 | size = block.BytesUsed(); | |
3dd14e20 | 598 | |
599 | return 0; | |
600 | } | |
5df25c2a | 601 | |
602 | ||
603 | int AliHLTMUONRecHitsSource::ParseChamberString(const char* str) | |
604 | { | |
6253e09b | 605 | /// |
606 | /// Parses a string with the following format: | |
607 | /// <number>|<number>-<number>[,<number>|<number>-<number>]... | |
608 | /// For example: 1 1,2,3 1-2 1,2-4,5 etc... | |
609 | /// Flags in the fServeChamber will be set to 'true' for all appropriate | |
610 | /// values parsed. | |
611 | /// @param str The string to parse. | |
612 | /// @return Zero on success and EINVAL if there is a parse error. | |
613 | /// | |
614 | ||
5df25c2a | 615 | char* end = const_cast<char*>(str); |
616 | long lastChamber = -1; | |
617 | do | |
618 | { | |
619 | // Parse the next number. | |
620 | char* current = end; | |
621 | long chamber = strtol(current, &end, 0); | |
622 | ||
623 | // Check for parse errors of the number. | |
624 | if (current == end) | |
625 | { | |
626 | Logging(kHLTLogError, | |
627 | "AliHLTMUONRecHitsSource::GetEvent", | |
628 | "Parse error", | |
629 | "Expected a number in the range [1..%d] but got '%s'.", | |
630 | AliMUONConstants::NTrackingCh(), current | |
631 | ); | |
d328bad2 | 632 | return -EINVAL; |
5df25c2a | 633 | } |
634 | if (chamber < 1 or AliMUONConstants::NTrackingCh() < chamber) | |
635 | { | |
636 | Logging(kHLTLogError, | |
637 | "AliHLTMUONRecHitsSource::GetEvent", | |
638 | "Parse error", | |
639 | "Got the chamber number %d which is outside the valid range of [1..%d].", | |
bef07620 | 640 | chamber, AliMUONConstants::NTrackingCh() |
5df25c2a | 641 | ); |
d328bad2 | 642 | return -EINVAL; |
5df25c2a | 643 | } |
644 | ||
645 | // Skip any whitespace after the number | |
646 | while (*end != '\0' and (*end == ' ' or *end == '\t' or *end == '\r' or *end == '\n')) end++; | |
647 | ||
648 | // Check if we are dealing with a list or range, or if we are at | |
649 | // the end of the string. | |
650 | if (*end == '-') | |
651 | { | |
652 | lastChamber = chamber; | |
653 | end++; | |
654 | continue; | |
655 | } | |
656 | else if (*end == ',') | |
657 | { | |
658 | assert( 1 <= chamber and chamber <= 10 ); | |
659 | fServeChamber[chamber-1] = true; | |
660 | end++; | |
661 | } | |
662 | else if (*end == '\0') | |
663 | { | |
664 | assert( 1 <= chamber and chamber <= 10 ); | |
665 | fServeChamber[chamber-1] = true; | |
666 | } | |
667 | else | |
668 | { | |
669 | Logging(kHLTLogError, | |
670 | "AliHLTMUONRecHitsSource::GetEvent", | |
671 | "Parse error", | |
672 | "Could not understand parameter list '%s'. Expected '-', ','" | |
673 | " or end of line but got '%c' at character %d.", | |
674 | str, *end, (int)(end - str) +1 | |
675 | ); | |
d328bad2 | 676 | return -EINVAL; |
5df25c2a | 677 | } |
678 | ||
679 | // Set the range of chambers to publish for. | |
680 | if (lastChamber > 0) | |
681 | { | |
682 | Int_t min, max; | |
683 | if (lastChamber < chamber) | |
684 | { | |
685 | min = lastChamber; | |
686 | max = chamber; | |
687 | } | |
688 | else | |
689 | { | |
690 | min = chamber; | |
691 | max = lastChamber; | |
692 | } | |
693 | assert( min >= 1 ); | |
694 | assert( max <= 10 ); | |
695 | for (Int_t i = min; i <= max; i++) | |
696 | fServeChamber[i-1] = true; | |
697 | } | |
698 | lastChamber = -1; | |
699 | } | |
700 | while (*end != '\0'); | |
701 | return 0; | |
702 | } |